Composition and method for temperature sensitive seed...

Details Composition and method for temperature sensitive seed... Composition and method for temperature sensitive seed...

A - Human Necessities

01

C

A01C 1/06 (2006.01) A01C 21/00 (2006.01)

Patent

CA 2097907

2097907 9210081 PCTABS00013 Coated organisms and particularly coated seeds are provided wherein the coating is comprised of one or more polymeric materials which form a coating having a temperature-dependent permeability with respect to a material such as water permeability. The polymeric materials used in making the coatings are relatively impermeable to the material such as water at cooler temperatures (less than optimum growth or germination temperatures) and relatively permeable at higher temperatures (at or greater than optimum growth or germination temperatures). The variable permeability of the coating prevents imbibition at lower temperatures and allows it at higher temperatures. Accordingly, coated seeds can be planted early in a planting season and undergo imbibition followed by germination under favorable moisture and temperature conditions.

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